OPA1637DGKTAlternatives & Equivalent Parts
About OPA1637DGKT
OPA1637DGKT is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | OPA1637DGKTSource | OPA1637DGKR | LD2981CM33TR | LM3525M-H |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | Other |
| Pin Count | 8 | 8 | 5 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C |
| Price | $1.7518 | $1.7300 | $0.2350 | $0.8653 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | Yes |
| Date Of Intro | 2020-06-04 | 2020-05-14 | — | 1999-08-31 |
| YTEOL | 15 | 15 | 6.4 | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | — | — |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | — |
| Average Bias Current-Max (IIB) | 0.002 µA | 0.002 µA | — | — |
| Bias Current-Max (IIB) @25C | 0.002 µA | 0.002 µA | — | — |
| Common-mode Reject Ratio-Min | 126 dB | 126 dB | — | — |
| Common-mode Reject Ratio-Nom | 140 dB | 140 dB | — | — |
| Frequency Compensation | YES | NO | — | — |
| Input Offset Current-Max (IIO) | 0.001 µA | 0.001 µA | — | — |
| Input Offset Voltage-Max | 200 µV | 200 µV | — | — |
| JESD-30 Code | S-PDSO-G8 | S-PDSO-G8 | R-PDSO-G5 | R-PDSO-G8 |
| JESD-609 Code | e4 | e4 | e3 | e0 |
| Low-Bias | NO | NO | — | — |
| Low-Offset | YES | YES | — | — |
| Micropower | NO | NO | — | — |
| Neg Supply Voltage Limit-Max | -20 V | -20 V | — | — |
| Neg Supply Voltage-Nom (Vsup) | -2.5 V | -2.5 V | — | — |
| Number of Functions | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.20 | TSSOP8,.20 | TSOP5/6,.11,37 | SOP8,.25 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE | SMALL OUTLINE |
| Packing Method | TR | TR | TR | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 235 |
| Power | NO | NO | — | — |
| Programmable Power | NO | NO | — | — |
| Slew Rate-Nom | 15 V/us | 15 V/us | — | — |
| Supply Current-Max | 1.2 mA | 1.2 mA | — | — |
| Supply Voltage Limit-Max | 20 V | 20 V | — | — |
| Supply Voltage-Nom (Vsup) | 2.5 V | 2.5 V | — | 5 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.95 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 20 |
| Unity Gain BW-Nom | 7000 | 7000 | — | — |
| Voltage Gain-Min | 562341.325 | 562341.325 | — | — |
| Wideband | NO | NO | — | — |
| ## OPA1637DGKT Alternates Showing results | Image | — | — | — |
| ## OPA1637DGKR Alternates Showing results | — | Image | — | — |
| Factory Lead Time | — | — | 12 Weeks | — |
| Adjustability | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | 0.375 V | — |
| Dropout Voltage1-Nom | — | — | 0.18 V | — |
| Input Voltage Absolute-Max | — | — | 16 V | — |
| Input Voltage-Max | — | — | 16 V | 5.5 V |
| Input Voltage-Min | — | — | 4.3 V | 2.7 V |
| Line Regulation-Max | — | — | 0.0123% | — |
| Number of Outputs | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — |
| Output Current1-Max | — | — | 0.1 A | — |
| Output Voltage1-Max | — | — | 3.415 V | — |
| Output Voltage1-Min | — | — | 3.184 V | — |
| Output Voltage1-Nom | — | — | 3.3 V | — |
| Qualification Status | — | — | Not Qualified | Not Qualified |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Voltage Tolerance-Max | — | — | 3.5% | — |
| ## LD2981CM33TR Alternates Showing results | — | — | Image | — |
| Adjustable Threshold | — | — | — | NO |
| Analog IC - Other Type | — | — | — | USB ANALOG SWITCH |
| Number of Channels | — | — | — | 1 |
| Supply Voltage-Max (Vsup) | — | — | — | 5.5 V |
| Supply Voltage-Min (Vsup) | — | — | — | 2.7 V |
| ## LM3525M-H Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for OPA1637DGKT is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating OPA1637DGKT replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to OPA1637DGKT?
Known equivalents for OPA1637DGKT include OPA1637DGKR, LD2981CM33TR, LM3525M-H. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA1637DGKT?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify OPA1637DGKT alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.